China Construction Third Engineering Bureau Group South China Co., Ltd.

Crrc Tangshan Co., Ltd.

Xiuyi Wang

Wenhao Hu

Bin Chen

Weimin Wen

Caihui Wu

Hailiang Peng

Xiaolu Deng

Zhiping Liu

Junnian Zhou

A top-down construction method for a multi-storey basement with a full steel structure is provided, including: S, constructing a diaphragm wall permanent structure; S. conducting an open excavation, then constructing a first layer structural beam and slab; S. conducting an underground excavation on an underground second layer earthwork, then constructing structural beam and slab and vertical shear wall on underground first layer; S. excavating earthworks from an underground third layer to an underground N−1 layer, and constructing structural beams and slabs and vertical shear walls; S. conducting the underground excavation on an underground N layer earthwork, and constructing a two-span structural steel beam; S. conducting the underground excavation on earthworks of bottom plate layer, constructing remaining structural beams and slabs and vertical shear wall; S. conducting the underground excavation on earthworks of bearing platform and water collection well; S. constructing earth intakes of the podium and the basement.

Top-down construction method for multi-storey basement with full steel structure

Growing community of inventors

Guangzhou, China

Xiuyi Wang